Color

#240d82

#240d82
hex#240d82
rgbrgb(36, 13, 130)
hslhsl(252, 82%, 28%)
oklchoklch(0.304 0.173 277.4)
Closest name: Child of the Night (#220077)Relative luminance 0.0227

Colors that go with #240d82

Steel Blue, Charcoal and Cobalt Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6b820d

#0d3082 · #5f0d82

#82240d · #0d8224

Split-complementary

Open in tool →

#825f0d · #30820d

#820d30 · #6b820d · #0d825f

Contrast

#240d82 as textRatioAAAA largeAAAFix
Aaon white
14.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #7a5def as the text (4.64:1)
  • AAA: use #9c86f3 as the text (7.12:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #240d82 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#240d82 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #240d82
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #240d82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/240d82-a99cc4-dfb64e-281f2d-e9ecf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md